/Engine/Plugins/Editor/GeometryMode/Source/GeometryMode/Public/GeometryEdMode.h
Return true if new object has been added to the array.
bool CacheSelectedData ( [TArray](API\Runtime\Core\Containers\TArray)< [HGeomMidPoints](API\Plugins\GeometryMode\FEdModeGeometry\HGeomMidPoints) > & raGeomData, const [FGeomObject](API\Plugins\GeometryMode\FGeomObject) & rGeomObject ) const